几种杀菌剂防治地黄疫病田间药效试验初报

摘要

为了筛选防治地黄疫病的有效药剂,试验选取丙森锌、吡唑醚菌酯、霜霉威、烯酰吗啉4种药剂,设置高、中、低3个不同浓度,对地黄疫病进行田间药效试验.结果表明:吡唑醚菌酯、霜霉威、烯酰吗啉、丙森锌等药剂对地黄疫病具有较好的预防控制作用,建议生产上轮换使用.%In order to effectively control phytophthora cactorum on rehmannia glutinosa,4 fungicides including propineb,pyraclostrobin,propamocarb and dimethomorph were selected to be tested to control rehmannia root disease,and 3 different concentrations at high,medium and low level respectively were set.The results showed that all the 4 tested fungicides had good effect on the prevention and control of rehmannia blight.The rotate application of 4 fungicides was recommended.